Jewel Cave National Monument Threats and Features Raster Graphic (PNG)Jane HawkeyIntegration and Application Network34 views0 downloads (Details)While Jewel Cave is currently in pristine condition there are several threats that could potential damage this site. These threats include the pollution of ground water that seeps into the cave at various points and visitor impacts.Add to lightbox

Generic Resources and Threats to the Northern Great Plains Parks Raster Graphic (PNG)Jane HawkeyIntegration and Application Network49 views0 downloads (Details)Some of the most common threats to the national parks ecosystems include those to quality of air, quality and quantity of available water, and the parks native species. Prescribed fire is used to prevent uncontrolled forest fires and to reduce the growth of nonnative species. Diagram from "Northern Great Plains Network Newsletter" (p. 1) - http://ian.umces.edu/press/newsletters/publication/206/northern_great_plains_network_using_conceptual_diagrams_to_aid_communication_2009-01-27/ Add to lightbox

Fort Union Trading Post National Historic Site Resources and ThreatsRaster Graphic (PNG)Jane HawkeyIntegration and Application Network40 views2 downloads (Details)Human impacts to Fort Union Trading Post include loss of native grass species, invasive plants and reduced river flow. Methods such as prescribed fire and the planting of native species have been used to restore and protect the site. Diagram from "Northern Great Plains Network Newsletter" (p. 2) - http://ian.umces.edu/press/newsletters/publication/206/northern_great_plains_network_using_conceptual_diagrams_to_aid_communication_2009-01-27/ Add to lightbox

Niobrara National Scenic River Resources and Threats Raster Graphic (PNG)Jane HawkeyIntegration and Application Network47 views11 downloads (Details)The Niobrara River is where six major biomes converge to form a rich diversity of flora and fauna. Threats to the river arise from fire exclusion leading to the expansion of ponderosa pine into grassland area, changes in microclimates, the spread of invasive plants and the high volume of visitors during peak periods. Diagram from "Northern Great Plains Network Newsletter" (p. 2) - http://ian.umces.edu/press/newsletters/publication/206/northern_great_plains_network_using_conceptual_diagrams_to_aid_communicatAdd to lightbox

Badlands National ParkRaster Graphic (PNG)Jane HawkeyIntegration and Application Network40 views3 downloads (Details)Badlands National Park sits upon highly erodible sedimentary rocks that form distinctive pinnacles, gullies and spires. Threats to the park include illegal fossiling and the invasion of weeds and non-native grasses. Diagram from "Northern Great Plains Network Newsletter" (p.2) - http://ian.umces.edu/press/newsletters/publication/206/northern_great_plains_network_using_conceptual_diagrams_to_aid_communication_2009-01-27/ Add to lightbox

Eastern tiger swallowtail (Papilio glaucus)Photo (JPG)Jane HawkeyIntegration and Application Network810 views6 downloads (Details)This butterfly was spotted on a flowering shrub outside Cambridge, MD, but it ranges from Eastern North America, from Ontario south to Gulf coast, and west to Colorado plains and central Texas.Add to lightbox

Mountain range 3D: plain and water table (Great Sand Dunes)Vector Graphic (SVG)Tracey SaxbyIntegration and Application Network338 views87 downloads (Details)Illustration of mountain range with plain and water table in Great Sand Dunes National Park and Preserve in Colorado, USAAdd to lightbox